package pers.course.week1;

import java.util.Scanner;

public class Plus3 {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        while(true) {
            if(s.hasNext()){
                int x = s.nextInt();
                int y = s.nextInt();
                int sum = x + y;
                System.out.println(sum);
            }
            else
                break;
        }
        s.close();
    }
}
